121025214017 has 2 divisors, whose sum is σ = 121025214018. Its totient is φ = 121025214016.

The previous prime is 121025213999. The next prime is 121025214019. The reversal of 121025214017 is 710412520121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94767928336 + 26257285681 = 307844^2 + 162041^2 .

It is a cyclic number.

It is not a de Polignac number, because 121025214017 - 2⁸ = 121025213761 is a prime.

Together with 121025214019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121025214019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512607008 + 60512607009.

It is an arithmetic number, because the mean of its divisors is an integer number (60512607009).

Almost surely, 2^121025214017 is an apocalyptic number.

It is an amenable number.

121025214017 is a deficient number, since it is larger than the sum of its proper divisors (1).

121025214017 is an equidigital number, since it uses as much as digits as its factorization.

121025214017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 121025214017 its reverse (710412520121), we get a palindrome (831437734138).

The spelling of 121025214017 in words is "one hundred twenty-one billion, twenty-five million, two hundred fourteen thousand, seventeen".